Jessica cannot remember the correct order of the six digits in her ID number. She does remember that the ID number contains the digits 1, 0, 7, 3, 9, 5. What is the probability that the first five digits of Jessica's ID number will all be odd numbers?

Question

Mathematics

Erick Boyer

27 February, 18:46

Jessica cannot remember the correct order of the six digits in her ID number. She does remember that the ID number contains the digits 1, 0, 7, 3, 9, 5. What is the probability that the first five digits of Jessica's ID number will all be odd numbers?

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Keyon Ortega · Answer 1

There is only one even number (0), so this probability equals the probability that the ID number ends with 0. One of the 6 digits has to come last, so the probability is 1 out of 6, ie., 1/6